D because they were handmade reset
<span>In the concentration camps, people were put into groups by all of the following, except whatever "B" is, since they were put into groups with all of the other categories. </span>
The option that best symbolized the iron curtain during the Cold War would be the "<span>B. construction of the Berlin Wall," since this was what Churchill was referring to when he "coined" the phrase. </span>
